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Finding the Fourth Proportional to 5,110.56, 7,056 and 3,434.46

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Solution

The fourth proportional to 5,110.56, 7,056 and 3,434.46 is: 4,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.56 : 7,056 = 3,434.46 : x
  2. Step 2: Convert to fraction form
    5,110.56/7,056 = 3,434.46/x
  3. Step 3: Cross multiply
    5,110.56x = 7,056 × 3,434.46
  4. Step 4: Simplify right side
    5,110.56x = 24,233,549.76
  5. Step 5: Solve for x
    x = 24,233,549.76/5,110.56
  6. Step 6: Final answer
    x = 4,741.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.